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How do I calculate a 1/x!-series with undefined parts?
AllisonSCollins
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Jun 21, 2022
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How do I calculate a 1/x!-series with undefined parts?
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AllisonSCollins
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Jun 21, 2022
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i!/((k!)(i-k)!) is the binomial coefficient C(i,k)
The sum over k of the binomial coefficients C(i,k) equals 2^(i)
You have the same thing, but divided by i!, so your sum is 2^(i)/i!
glen_mcgregor
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Jun 21, 2022
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